Answer: D) None of the above
Explanation: The subschema differs from the schema in that one denotes the appearance of data in the Database Base Management System (DBMS) while the subschema which is also referred to as the external schema is that subset of the schema is visible or relevant to the user. Thus, It is the view of the database which is visible to an application program. Virtual tables in a database usually represents an object structures like a table which is the result of running certain database commands or functions such as the create table, view, select and so on. Virtual tables are not stored directly in database files.
Answer:
Yessss, don't commit suicid'e by sleeping in ur room like that XD
Explanation:
Since the 1990’s South Africa has moved more toward foreign corporations contributing more economic output. South Africa is greatly impacted by globalization through its import-export trading. During apartheid, <span>industrial firms were prevented by engaging with the global economy, meaning that manufacturers of the country’s economy were used to produce solely for the country’s domestic market. Globalization has enabled many manufacturers to open their markets further, however, it is due to the sheer number of foreign companies in SA that limit the country's ability to be competitive in the global market.</span>
